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Nosler Custom Ammo fitting 280AI chambers?

 
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  #1  
Old 08-29-2010, 11:22 PM
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Nosler Custom Ammo fitting 280AI chambers?

Read an article online (I know, it's online so it must be the gospel ) that indicated Nosler Custom Ammo wouldn't fit all 280 AI chambers as they had shortened or lengthened it or something along those lines. Was thinking of getting a Cooper, and wanted to start by buying ammo to build up brass and break in barrel before investing in reloading equipment.
Can anyone confirm/deny that these cartridges would fit in a Cooper?

thanks!
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  #2  
Old 08-29-2010, 11:52 PM
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Join Date: Jul 2004
Location: Texas
Posts: 5,532
Re: Nosler Custom Ammo fitting 280AI chambers?

Quote:
Originally Posted by dporter99 View Post
Read an article online (I know, it's online so it must be the gospel ) that indicated Nosler Custom Ammo wouldn't fit all 280 AI chambers as they had shortened or lengthened it or something along those lines. Was thinking of getting a Cooper, and wanted to start by buying ammo to build up brass and break in barrel before investing in reloading equipment.
Can anyone confirm/deny that these cartridges would fit in a Cooper?

thanks!
Because of the difference in chamber dimensions from rifle to rifle, and ammo to ammo
if you are going to buy loaded ammo I would recomend buying 280 rem ammo in the
brand that you want to shoot there brass and fire form as you break the rifle in.

The custom loaded 280 AI should fit but it may not shoot very well ans it will cost a lot
more than 280 REM ammo.

The nosler ammo cost arround $48.00 a box of 20 and the brass is made by Federal.

There are at least six other brands of loaded 280rem that will cost less than $30.00
a box of 20 and some is arround $25.00 a box.

Lapua makes 30/06 brass that can be turned into some wonderful 280 brass for about
$20.00 a box of 20 if you reload .

Hornady loads good ammo for the 280 and there brass is good.

Just a thought.

J E CUSTOM
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Old 08-30-2010, 12:18 AM
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Join Date: Apr 2010
Location: AZ
Posts: 5
Re: Nosler Custom Ammo fitting 280AI chambers?

I have a Model 52 in 280AI.
I have had zero issues with the chambering of Noslers custom ammo.
Saving brass currently so I'll have properly stamped reloaded ammo.
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  #4  
Old 08-30-2010, 12:38 AM
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Join Date: Jul 2008
Location: Dawson Creek
Posts: 80
Re: Nosler Custom Ammo fitting 280AI chambers?

I had the same problems with my 280AI , but I use a custom die to size the body for my chamber.
A modified shell hoder can also work
cheers!
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Old 08-30-2010, 02:23 PM
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Re: Nosler Custom Ammo fitting 280AI chambers?

Lapua makes 30/06 brass that can be turned into some wonderful 280 brass for about
$20.00 a box of 20 if you reload .

I thought the 280 was about .050 longer than the 30/06 and for the ackley you had to use 280 brass to fireform. If this is not the case I will definatly be buying laupa 30/06 from now on.
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Old 08-30-2010, 04:05 PM
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Location: Texas
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Re: Nosler Custom Ammo fitting 280AI chambers?

Quote:
Originally Posted by WESTERNAERO View Post
Lapua makes 30/06 brass that can be turned into some wonderful 280 brass for about
$20.00 a box of 20 if you reload .

I thought the 280 was about .050 longer than the 30/06 and for the ackley you had to use 280 brass to fireform. If this is not the case I will definatly be buying laupa 30/06 from now on.
The 30/06 is 2.494 and the 280 Ackley is 2.525 so the 30/06 brass is only .031 shorter than
the 280 AI (Not enough to effect anything).

The 270 Win is 2.540 just like the 280 REM but Lapua does not make brass for it so necking
it up would have no benefits.

If you buy 280 REM ammo you will have to trim the case 15 to 20 thousandths.

I am not sure why the 280 AI is shorter than the 280 REM (Parent case) unless Ackley
did not want to take a chance on the 270 being accidentally shot in the 280.

If your chamber reamer does not allow for the 2.540 neck length you may have to reload
new brass that has been trimmed to 2.515 (.010 under the SAAME length).

If your chamber is 2.494 you will have to buy the expensive ammo or load the Hornady
brass that is about twice as much as other brands and almost as much as the Lapua.

If I ordered a 280 AI reamer I would make sure that the overall case length was 2.540
so that I could use any 30/06 based brass and could fire 280 REM in it to fire form it.

I would still buy the Lapua 30/06 brass and trim and size it for fire forming for such a
fine wild cat like the 280 AI so that quality and brass life would be better than others.

J E CUSTOM
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Old 08-30-2010, 04:38 PM
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Join Date: Nov 2008
Location: New Zealand
Posts: 104
Re: Nosler Custom Ammo fitting 280AI chambers?

I have around 700 rounds through my cooper 280ai using nosler brass.New brass has been trouble free(I heard it was made by Norma?)
2 issues Iv had, firstly the nosler brass gives me internal donuts after the second or third firing.Using the 162 amax and the 168vld the throat lenght means I have to remove the donut as the bullet is seated deep enough to be a problem,not to much of a hardship realy.Second, the chamber in the cooper is tight and the redding match die was a touch on the large side( actually it was the same size as the chamber so after the 4th firing extracion became dificult.I got a small base body die which helped but not quite enough so Iv had a thou taken out of the rear of chamber now all is well. at present using norma .280 brass and so far after 4 fireings I have no donut, Also have some lapua 30-06 to try.
And you will love the cooper

Last edited by yawn; 08-30-2010 at 08:27 PM.
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